title: [Present status and problems of certification system of specialties].
authors.forename: N
authors.initials: N
authors.lastname: Yamaguchi
mesh_terms: D002568:Certification; D004502:Education, Medical, Continuing; D006801:Humans; D007564:Japan; D007883:Legislation, Medical; D011570:Psychiatry / Q000193:education / Q000331:legislation & jurisprudence*; D013038:Specialization; D013044:Specialty Boards; D006113:United Kingdom; D014481:United States